{"id":"https://openalex.org/W2596575481","doi":"https://doi.org/10.1002/ep.12537","title":"An investigation of two\u2010stage thermophilic and mesophilic fermentation process for the production of hydrogen and methane from palm oil mill effluent","display_name":"An investigation of two\u2010stage thermophilic and mesophilic fermentation process for the production of hydrogen and methane from palm oil mill effluent","publication_year":2017,"publication_date":"2017-03-17","ids":{"openalex":"https://openalex.org/W2596575481","doi":"https://doi.org/10.1002/ep.12537","mag":"2596575481"},"language":"en","primary_location":{"id":"doi:10.1002/ep.12537","doi":"https://doi.org/10.1002/ep.12537","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ep.12537","pdf_url":null,"source":{"id":"https://openalex.org/S4210214890","display_name":"Environmental Progress & Sustainable Energy","issn_l":"1944-7442","issn":["1944-7442","1944-7450"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Progress & Sustainable Energy","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030060115","display_name":"Santhana Krishnan","orcid":"https://orcid.org/0000-0001-7901-3637","observed_orcids":["https://orcid.org/0000-0001-7901-3637"]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Santhana Krishnan","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045799000","display_name":"Lakhveer Singh","orcid":"https://orcid.org/0000-0002-4926-9778","observed_orcids":["https://orcid.org/0000-0002-4926-9778"]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Lakhveer Singh","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041122822","display_name":"Mimi Sakinah Abdul Munaim","orcid":"https://orcid.org/0000-0003-4981-9802","observed_orcids":["https://orcid.org/0000-0003-4981-9802"]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Mimi Sakinah","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101018521","display_name":"Sveta Thakur","orcid":"https://orcid.org/0000-0002-6546-9198","observed_orcids":["https://orcid.org/0000-0002-6546-9198"]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Sveta Thakur","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089858726","display_name":"Mohd Nasrul","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Mohd Nasrul","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020199697","display_name":"Andrew W. Otieno","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I102502594","display_name":"Northern Illinois University","ror":"https://ror.org/012wxa772","country_code":"US","type":"education","lineage":["https://openalex.org/I102502594"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andrew Otieno","raw_affiliation_strings":["Department of Technology Northern Illionis University DeKalb IL 60115"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Technology Northern Illionis University DeKalb IL 60115","institution_ids":["https://openalex.org/I102502594"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025312760","display_name":"Zularisam A. Wahid","orcid":"https://orcid.org/0000-0002-8615-0573","observed_orcids":["https://orcid.org/0000-0002-8615-0573"]},"institutions":[{"id":"https://openalex.org/I102913810","display_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","ror":"https://ror.org/01704wp68","country_code":"MY","type":"education","lineage":["https://openalex.org/I102913810"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Zularisam A. Wahid","raw_affiliation_strings":["Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Engineering Technology Universiti Malaysia Pahang (UMP) Lebuhraya Tun, Razak, 26300 Gambang Kuantan Pahang Malaysia","institution_ids":["https://openalex.org/I102913810"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5025312760"],"corresponding_institution_ids":["https://openalex.org/I102913810"],"apc_list":{"value":3810,"currency":"USD","value_usd":3810},"apc_paid":null,"fwci":0.5423,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.62471382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"36","issue":"3","first_page":"895","last_page":"902"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10284","display_name":"Anaerobic Digestion and Biogas Production","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10284","display_name":"Anaerobic Digestion and Biogas Production","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10171","display_name":"Biofuel production and bioconversion","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11231","display_name":"Microbial Fuel Cells and Bioremediation","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/palm-oil-mill-effluent","display_name":"palm oil mill effluent","score":0.9520000219345093},{"id":"https://openalex.org/keywords/hydrogen-production","display_name":"hydrogen production","score":0.7440000176429749},{"id":"https://openalex.org/keywords/methane-production","display_name":"methane production","score":0.9909999966621399},{"id":"https://openalex.org/keywords/two-stage-anaerobic-digestion","display_name":"two-stage anaerobic digestion","score":0.8989999890327454},{"id":"https://openalex.org/keywords/thermophilic-fermentation","display_name":"thermophilic fermentation","score":0.8119999766349792},{"id":"https://openalex.org/keywords/mesophilic-fermentation","display_name":"mesophilic fermentation","score":0.9850000143051147},{"id":"https://openalex.org/keywords/uasb-reactor","display_name":"UASB reactor","score":0.9390000104904175},{"id":"https://openalex.org/keywords/continuous-stirred-tank-reactor","display_name":"continuous stirred tank reactor","score":0.984000027179718},{"id":"https://openalex.org/keywords/digestate-recirculation","display_name":"digestate recirculation","score":0.8159999847412109},{"id":"https://openalex.org/keywords/acidogenesis","display_name":"acidogenesis","score":0.7110000252723694},{"id":"https://openalex.org/keywords/methanogenesis","display_name":"methanogenesis","score":0.8029999732971191},{"id":"https://openalex.org/keywords/cod-removal","display_name":"COD removal","score":0.8199999928474426},{"id":"https://openalex.org/keywords/hydraulic-retention-time","display_name":"hydraulic retention time","score":0.5730000138282776}],"concepts":[{"id":"https://openalex.org/C63223902","wikidata":"https://www.wikidata.org/wiki/Q669652","display_name":"Mesophile","level":3,"score":0.7899788022041321},{"id":"https://openalex.org/C2778589620","wikidata":"https://www.wikidata.org/wiki/Q22275999","display_name":"Methanogenesis","level":3,"score":0.7438622117042542},{"id":"https://openalex.org/C53247381","wikidata":"https://www.wikidata.org/wiki/Q21119664","display_name":"Acidogenesis","level":4,"score":0.6783650517463684},{"id":"https://openalex.org/C84250820","wikidata":"https://www.wikidata.org/wiki/Q3030793","display_name":"Hydraulic retention time","level":3,"score":0.6750474572181702},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.6461100578308105},{"id":"https://openalex.org/C147455438","wikidata":"https://www.wikidata.org/wiki/Q1057706","display_name":"Effluent","level":2,"score":0.634183406829834},{"id":"https://openalex.org/C67334161","wikidata":"https://www.wikidata.org/wiki/Q457904","display_name":"Continuous stirred-tank reactor","level":2,"score":0.601142942905426},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5898667573928833},{"id":"https://openalex.org/C202189072","wikidata":"https://www.wikidata.org/wiki/Q1929999","display_name":"Hydrogen production","level":3,"score":0.5754808187484741},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.55450439453125},{"id":"https://openalex.org/C193478032","wikidata":"https://www.wikidata.org/wiki/Q5444387","display_name":"Fermentative hydrogen production","level":5,"score":0.5478217601776123},{"id":"https://openalex.org/C1124016","wikidata":"https://www.wikidata.org/wiki/Q864917","display_name":"Biohydrogen","level":4,"score":0.5005738735198975},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.48806583881378174},{"id":"https://openalex.org/C100544194","wikidata":"https://www.wikidata.org/wiki/Q41760","display_name":"Fermentation","level":2,"score":0.4529527425765991},{"id":"https://openalex.org/C499616599","wikidata":"https://www.wikidata.org/wiki/Q555853","display_name":"Anaerobic digestion","level":3,"score":0.43121060729026794},{"id":"https://openalex.org/C75212476","wikidata":"https://www.wikidata.org/wiki/Q171076","display_name":"Biogas","level":2,"score":0.4305368661880493},{"id":"https://openalex.org/C512968161","wikidata":"https://www.wikidata.org/wiki/Q556","display_name":"Hydrogen","level":2,"score":0.368866503238678},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2927706241607666},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.20671164989471436},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.11019575595855713},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.08571210503578186},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/ep.12537","doi":"https://doi.org/10.1002/ep.12537","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ep.12537","pdf_url":null,"source":{"id":"https://openalex.org/S4210214890","display_name":"Environmental Progress & Sustainable Energy","issn_l":"1944-7442","issn":["1944-7442","1944-7450"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Progress & Sustainable Energy","raw_type":"journal-article"},{"id":"pmh:oai:umpir.ump.edu.my:17374","doi":null,"is_oa":false,"landing_page_url":"http://umpir.ump.edu.my/id/eprint/17374/1/An%20Investigation%20of%20Two-Stage%20Thermophilic%20and%20Mesophilic%20Fermentation%20Process%20for%20the%20Production%20of%20Hydrogen%20and%20Methane%20from%20Palm%20Oil%20Mill%20Effluent.pdf","pdf_url":"http://umpir.ump.edu.my/id/eprint/17374/1/An%20Investigation%20of%20Two-Stage%20Thermophilic%20and%20Mesophilic%20Fermentation%20Process%20for%20the%20Production%20of%20Hydrogen%20and%20Methane%20from%20Palm%20Oil%20Mill%20Effluent.pdf","source":{"id":"https://openalex.org/S4377196561","display_name":"UMP Institutional Repository (Universiti Malaysia Pahang)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I102913810","host_organization_name":"Universiti Malaysia Pahang Al-Sultan Abdullah","host_organization_lineage":["https://openalex.org/I102913810"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/12","score":1.0,"display_name":"Responsible consumption and production"},{"id":"https://metadata.un.org/sdg/7","score":0.9853000044822693,"display_name":"Affordable and clean energy"},{"id":"https://metadata.un.org/sdg/13","score":0.685699999332428,"display_name":"Climate action"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323310","display_name":"Universiti Malaysia Pahang","ror":"https://ror.org/01704wp68"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W244186264","https://openalex.org/W1502674586","https://openalex.org/W1968834637","https://openalex.org/W1971195547","https://openalex.org/W1973263540","https://openalex.org/W1976358625","https://openalex.org/W1976455041","https://openalex.org/W1981282046","https://openalex.org/W1981586318","https://openalex.org/W1984179856","https://openalex.org/W1985663389","https://openalex.org/W1987557511","https://openalex.org/W1988219815","https://openalex.org/W1988409790","https://openalex.org/W1992162227","https://openalex.org/W1997163284","https://openalex.org/W1997313538","https://openalex.org/W2000862630","https://openalex.org/W2001166741","https://openalex.org/W2001626471","https://openalex.org/W2004176048","https://openalex.org/W2013774252","https://openalex.org/W2014619142","https://openalex.org/W2016127726","https://openalex.org/W2017832657","https://openalex.org/W2017843653","https://openalex.org/W2020033176","https://openalex.org/W2027354396","https://openalex.org/W2027808796","https://openalex.org/W2029406724","https://openalex.org/W2034727423","https://openalex.org/W2036290460","https://openalex.org/W2043255164","https://openalex.org/W2046896281","https://openalex.org/W2052001658","https://openalex.org/W2052938410","https://openalex.org/W2053420522","https://openalex.org/W2058728036","https://openalex.org/W2079830366","https://openalex.org/W2087232797","https://openalex.org/W2088420197","https://openalex.org/W2089848749","https://openalex.org/W2098340516","https://openalex.org/W2120045402","https://openalex.org/W2147353768","https://openalex.org/W2274104603","https://openalex.org/W2293377589","https://openalex.org/W2523150942","https://openalex.org/W2586183932"],"related_works":["https://openalex.org/W2415848053","https://openalex.org/W2808960844","https://openalex.org/W2523150942","https://openalex.org/W2942615803","https://openalex.org/W2502625698","https://openalex.org/W2081660361","https://openalex.org/W1996308852","https://openalex.org/W4361859528","https://openalex.org/W2543419301","https://openalex.org/W2003707034"],"abstract_inverted_index":{"The":[0,54,71,128],"two\u2010stage":[1],"process":[2],"of":[3,12,120,152,163],"combined":[4],"hydrogen":[5,52,122,130],"and":[6,60,79,102,107,116,123,131,140],"methane":[7,91,124,132],"production":[8,92,119],"with":[9,146],"the":[10,25,67,94,121,147,155],"recirculation":[11],"digestate":[13],"sludge":[14,31],"using":[15],"palm":[16],"oil":[17],"mill":[18],"effluent":[19],"as":[20],"substrate":[21],"was":[22,35,63,125],"investigated.":[23],"During":[24],"first":[26],"stage,":[27],"an":[28],"up\u2010flow":[29],"anaerobic":[30],"blanket":[32],"reactor":[33,75,88],"(UASB)":[34],"operated":[36,111],"at":[37,57,97],"thermophilic":[38],"conditions":[39],"[hydraulic":[40],"retention":[41],"time":[42],"(HRT)\u22122":[43],"days,":[44],"organic":[45],"loading":[46],"rate":[47],"\u221275":[48],"gCOD":[49],"L\u22121d\u22121]":[50],"for":[51,90,112],"production.":[53],"operation":[55],"performance":[56],"short":[58],"HRT":[59],"low":[61],"pH":[62],"useful":[64],"to":[65],"separate":[66],"acidogenesis":[68],"from":[69,73],"methanogenesis.":[70],"effluents":[72],"UASB":[74,106],"containing":[76],"mainly":[77],"acetate":[78],"butyrate":[80],"were":[81,110,135],"fed":[82],"into":[83],"a":[84,117],"continuous":[85],"stirred":[86],"tank":[87],"(CSTR)":[89],"under":[93],"mesophilic":[95],"temperature":[96],"two":[98,156],"different":[99],"HRTs":[100],"(5":[101],"3":[103],"days).":[104],"Both":[105],"CSTR":[108],"reactors":[109],"120":[113],"days":[114],"continuously":[115],"stable":[118],"obtained":[126,134],"simultaneously.":[127],"total":[129,148],"yields":[133],"215":[136],"L":[137,142],"H2":[138],"kgCOD\u22121":[139],"320":[141],"CH4":[143],"kgCOD\u22121,":[144],"respectively":[145],"COD":[149],"removal":[150],"efficiency":[151],"94%":[153],"in":[154],"stage":[157],"process.":[158],"\u00a9":[159],"2017":[160,170],"American":[161],"Institute":[162],"Chemical":[164],"Engineers":[165],"Environ":[166],"Prog,":[167],"36:":[168],"895\u2013902,":[169]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2017-03-23T00:00:00"}